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notka56 [123]
3 years ago
8

Which best describes an element?

Chemistry
2 answers:
Nataly_w [17]3 years ago
7 0
An element is best described as a pure substance.
Blababa [14]3 years ago
3 0

Answer:

A.) pure substance

Explanation:

edge 2021

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PLZ HELP, BRAINLIEST TO WHOEVER GIVES WORK TOO!!​
Flura [38]

Answer:

1.15 hours

Explanation:

If they are going 100 kilometers an hour, and they need to go 115 k, then do 115/100 which is 1.15 which is the time

5 0
3 years ago
When driving a truck,is fuel crucial?
Natali [406]

Answer:

The answer is yes.

Explanation:

When driving any type of motorized vehicle, fuel is importatn. Fuel is what it runs on, so without it it wouldn't run. With trucks a lot more is needed because trucks are bigger, and tend to carry more than a little car does.

6 0
4 years ago
A perfect cube of aluminum metal was found to weigh 20.00 g. The density of aluminum is 2.7 g/ml. What are the dimensions of the
denis23 [38]

Answer:

             Height  = 1.9493 cm

             Width =  1.9493 cm

             Depth  =  1.9493 cm

Solution:

Data Given:

                  Mass  =  20 g

                  Density  =  2.7 g/mL

Step 1: Calculate the Volume,

As,

                                        Density  =  Mass ÷ Volume

Or,

                                        Volume  =  Mass ÷ Density

Putting values,

                                        Volume  =  20 g ÷ 2.7 g/mL

                                        Volume  =  7.407 mL or 7.407 cm³

Step 2: Calculate Dimensions of the Cube:

As we know,

                                        Volume  =  length × width × depth

So, we will take the cube root of 7.407 cm³ which is 1.9493 cm.

Hence,

                                        Volume  =  1.9493 cm × 1.9493 cm × 1.9493 cm

                                        Volume  =  7.407 cm³

4 0
4 years ago
Which is not true of binary compounds?
Thepotemich [5.8K]
The name of the positively charged nonmetal ion is changed to end in –ide, is not true of binary compounds.

Hope this help!
4 0
3 years ago
Read 2 more answers
THIS NOT MY WORK. its for my sister. HELP HER
Stolb23 [73]

Answer:

Your answer will be b(molten material from the outer core makes its way to the surface of earth)

Explanation:

5 0
3 years ago
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